200100021011123 has 8 divisors (see below), whose sum is σ = 210677182546320. Its totient is φ = 189527417624160.

The previous prime is 200100021011119. The next prime is 200100021011129. The reversal of 200100021011123 is 321110120001002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200100021011123 - 2² = 200100021011119 is a prime.

It is a super-2 number, since 2×200100021011123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200100021011098 and 200100021011107.

It is not an unprimeable number, because it can be changed into a prime (200100021011129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139446940 + ... + 1139622537.

It is an arithmetic number, because the mean of its divisors is an integer number (26334647818290).

Almost surely, 2^{200100021011123} is an apocalyptic number.

200100021011123 is a deficient number, since it is larger than the sum of its proper divisors (10577161535197).

200100021011123 is a wasteful number, since it uses less digits than its factorization.

200100021011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279074117.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 200100021011123 its reverse (321110120001002), we get a palindrome (521210141012125).

The spelling of 200100021011123 in words is "two hundred trillion, one hundred billion, twenty-one million, eleven thousand, one hundred twenty-three".